Algebra With Variables

Solve 2w + 18 - w = 10w -9(w - 2)

• 9

• 18

• Identity

Solve 7 + 5z = 8 + 5z

• Identity

• No Solution

• 1/10

Solve 4(-x - 4) = -2(4x + 2)

• 2

• Identity

• 3

Solve 42 - 9t = 5t

• -21/2

• 3

• -3

Solve 7y + 6 = 7y - 10

• Identity

• No Solution

• 2/7

What is an algebraic expression made of?

• Numbers and operations

• Numbers and multiplication

• Addition and multiplication

• Numbers, variables and operations

In this term, 3a²bc, what are the variables?

• 3 and 2

• 3

• 2

• a, b, and c

What are the coefficient(s) in this expression?
3x⁵ + 6y² + g + 12

• 3, 6

• 3, 6, 1

• 12

• 5, 2

How many terms are in this expression?
4x⁴ + 5y² - z + 13

• 2

• 3

• 4

• 5

What is a variable in Algebra?

• Something that changes

• An unknown value

• An equation

• A numeric expression